... buyer's drawing cnc machining parts valve part We supply various cnc machining parts, nonstandard parts, including screw processing, grinding, cnc turning, punching & ... JIS & etc.Material:Aluminium, Brass, Carbon steel, Stainless steel, Alloy metal & etc. Equipment:CNC lathe, processing center, miller, grinder, punching machine ... please refer to the following photos: carbon steel cnc machining parts